From: Ville Syrjälä Date: Fri, 5 Aug 2016 20:28:29 +0000 (+0300) Subject: drm/i915: Introduce gpu_reset_clobbers_display() X-Git-Tag: v4.9-rc1~41^2~36^2~132 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4ac2ba2f8c4b7bb33d32fc1be290daf25d39802a;p=linux.git drm/i915: Introduce gpu_reset_clobbers_display() Factor out the "does the GPU reset clobber the display?" check into a small helper. Signed-off-by: Ville Syrjälä Link: http://patchwork.freedesktop.org/patch/msgid/1470428910-12125-4-git-send-email-ville.syrjala@linux.intel.com Reviewed-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 8fa200bfc2c1..5d3766105b33 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3135,6 +3135,11 @@ __intel_display_resume(struct drm_device *dev, return ret; } +static bool gpu_reset_clobbers_display(struct drm_i915_private *dev_priv) +{ + return INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv); +} + void intel_prepare_reset(struct drm_i915_private *dev_priv) { struct drm_device *dev = &dev_priv->drm; @@ -3162,7 +3167,7 @@ void intel_prepare_reset(struct drm_i915_private *dev_priv) /* reset doesn't touch the display, but flips might get nuked anyway, */ if (!i915.force_reset_modeset_test && - (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv))) + !gpu_reset_clobbers_display(dev_priv)) return; /* @@ -3212,7 +3217,7 @@ void intel_finish_reset(struct drm_i915_private *dev_priv) dev_priv->modeset_restore_state = NULL; /* reset doesn't touch the display */ - if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv)) { + if (!gpu_reset_clobbers_display(dev_priv)) { if (!state) { /* * Flips in the rings have been nuked by the reset,